cyanine

/sahy-uh-neen, -nin/US // ˈsaɪ əˌnin, -nɪn //UK // (ˈsaɪəˌniːn) //

氰化物,氰胺,氰基,氰

Definitions

n.名词 noun

1
- : any of several groups of dyes that make silver halide photographic plates sensitive to a wider color range.

Among the semi-stable, must be classed cyanine or Leitch's blue, smalt, and Prussian blue.
Alizarin saphirole dyes clear blue, the colour produced being much more brilliant even than those of brilliant alizarin cyanine.
Within the last few years, a compound similar to cyanine has appeared, under the name of Leitch's Blue.
Unlike the former, cyanine, being composed of two old colours, can lay no claim to originality.
Sulphon cyanine works well with other dye-stuffs, and gives shades which are fast to milling.